JP2010280425A - Box-shaped container - Google Patents

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JP2010280425A
JP2010280425A JP2009136849A JP2009136849A JP2010280425A JP 2010280425 A JP2010280425 A JP 2010280425A JP 2009136849 A JP2009136849 A JP 2009136849A JP 2009136849 A JP2009136849 A JP 2009136849A JP 2010280425 A JP2010280425 A JP 2010280425A
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box
shaped container
side wall
folded
wall
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JP5431032B2 (en
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Takao Iwata
貴雄 岩田
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Sanko Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a box-shaped container for removing smoothly from a nested condition. <P>SOLUTION: This box-shaped container 1 structured able to be nested includes a roughly rectangular plate shaped bottom wall 2, a peripheral wall 3 extended upward from the peripheral edge of the wall 2 and an extended part 4 outwardly protruded from the total peripheral area of the top edge of the wall 3. The wall 3 includes a third and fourth sidewalls 13, 14 upwardly extended from each of the facing short sides of the wall 2 and the part 4 includes an extended part 21 extended in the outer peripheral direction from the top edge of the wall 3 and a folding back part 22 extended downward from the top end edge of the part 21. A third and fourth extended parts 33, 34 of the part 4 formed corresponding to the third and the fourth sidewalls 13, 14 are formed with a recess 25 receding toward the inner peripheral side of the part 4 at the center in the longitudinal direction. The inside of the recess 25 is provided with a flange 27 extended in the outer peripheral direction of the part 4 from the bottom edge of the part 22. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

本発明は、物品の運搬等に使用される箱型容器に関するものである。   The present invention relates to a box-type container used for transportation of articles.

一般に、物品の搬送等に使用される箱型容器は、略矩形状の底壁部と、底壁部の外周縁から上方に延出する側壁部とを備えており、上方の開口部から物品を出し入れする構成となっている。さらに、箱型容器は、側壁部の上縁部から外側に突出する張り出し部を備えており、張り出し部によって側壁部の強度を向上させるとともに、張り出し部に手を掛けて箱型容器を持ち運ぶことができるようになっている。また、箱型容器は、側壁部が上方に向けて箱型容器の外周側に傾斜しており、複数の箱型容器を同じ向きで積み重ねた場合にネスティング（上側の箱型容器の大部分を下側の箱型容器の内側に収める）ができるようになっている（例えば、特許文献１等参照。）。   In general, a box-shaped container used for conveying an article has a substantially rectangular bottom wall part and a side wall part extending upward from the outer peripheral edge of the bottom wall part, and the article is opened from the upper opening. It is configured to take in and out. Furthermore, the box-type container has an overhanging portion that protrudes outward from the upper edge portion of the side wall portion, and while the overhanging portion improves the strength of the side wall portion, the box type container is carried by placing the hand on the overhanging portion. Can be done. In addition, the box-shaped container is inclined to the outer peripheral side of the box-shaped container with the side wall portion facing upward, and when a plurality of box-shaped containers are stacked in the same direction, nesting (most of the upper box-shaped containers are Can be accommodated inside the lower box-shaped container) (see, for example, Patent Document 1).

実開平４−２１４３５号公報Japanese Utility Model Publication No. 4-21435

ところで、ネスティングされた箱型容器をコンパクトにまとめて搬送効率を高めるべく、上下に重ねられた箱型容器の張り出し部同士を近接させたり、当接させたりすることが考えられる。しかしながら、この場合には、上側の箱型容器の張り出し部の下側に指を差し入れることができなくなってしまうおそれがある。すなわち、上側の箱型容器を下側の箱型容器から抜き取る際の持ち手がなくなるため、作業性の低下を招くおそれがある。   By the way, it is conceivable that the protruding portions of the box-type containers stacked one above the other are brought close to each other or brought into contact with each other in order to make the nested box-type containers compact and improve the conveyance efficiency. However, in this case, there is a possibility that a finger cannot be inserted under the overhanging portion of the upper box-shaped container. In other words, since there is no handle when the upper box container is pulled out from the lower box container, workability may be reduced.

本発明は上記問題点を解決するためになされたものであって、その目的は、ネスティングされた状態からの抜き取り作業をスムースに行うことのできる箱型容器を提供することにある。   The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a box-type container that can smoothly perform a drawing operation from a nested state.

以下、上記目的等を解決するのに適した各手段につき項分けして説明する。なお、必要に応じて対応する手段に特有の作用効果等を付記する。   In the following, each means suitable for solving the above-mentioned purpose will be described in terms of items. In addition, the effect etc. peculiar to the means to respond | correspond as needed are added.

手段１．略長方形状の底壁部と、
前記底壁部の周縁部から上方に延出する枠状の周壁部と、
前記周壁部の上縁部全周域から当該周壁部の外周方向に向けて突出する張り出し部とを備え、
これら各壁部が型成形により一体成形されて上方に開口する箱型容器において、
前記周壁部は、前記底壁部の相対する長辺部からそれぞれ上方に延出する一対の長辺側側壁部と、前記底壁部の相対する短辺部からそれぞれ上方に延出し、前記一対の長辺側側壁部の側辺部同士を連結する一対の短辺側側壁部とを具備し、
前記張り出し部は、前記各側壁部の上縁部から前記周壁部の外周方向に向けて延出する延出部と、前記延出部の先端縁から下方に向けて延出する折返し部とを備え、
前記箱型容器を同じ向きで上下に重ねることでネスティングができる構成であって、
前記張り出し部のうち前記短辺側側壁部に対応して形成される短辺側張り出し部には、長手方向中央部において、前記張り出し部の内周側に凹となる凹部が形成されるとともに、
前記凹部の内側には、前記折返し部の上縁部又は下縁部から所定距離隔てた位置において、前記張り出し部の外周方向に延在するフランジ部が設けられていることを特徴とする箱型容器。 Means 1. A substantially rectangular bottom wall,
A frame-shaped peripheral wall portion extending upward from the peripheral edge portion of the bottom wall portion;
A projecting portion projecting from the entire peripheral region of the upper edge portion of the peripheral wall portion toward the outer peripheral direction of the peripheral wall portion;
In the box-shaped container in which each of these wall portions is integrally formed by molding and opens upward,
The peripheral wall portions respectively extend upward from a pair of long side wall portions extending upward from the opposing long side portions of the bottom wall portion, and extending upward from the opposing short side portions of the bottom wall portion. A pair of short side walls connecting the side parts of the long side wall parts of
The overhanging portion includes an extending portion that extends from the upper edge portion of each side wall portion toward the outer peripheral direction of the peripheral wall portion, and a folded portion that extends downward from the leading edge of the extending portion. Prepared,
It is configured to allow nesting by stacking the box-shaped containers up and down in the same direction,
The short side protruding portion formed corresponding to the short side wall portion of the protruding portion is formed with a concave portion that is concave on the inner peripheral side of the protruding portion in the longitudinal center portion.
A box shape characterized in that a flange portion extending in the outer peripheral direction of the overhanging portion is provided inside the concave portion at a predetermined distance from the upper edge portion or the lower edge portion of the folded portion. container.

手段１によれば、張り出し部のうち短辺側側壁部に対応して形成される短辺側張り出し部には、折返し部の上縁部又は下縁部から所定距離隔てた位置において張り出し部の外周方向（例えば略水平方向）に延在するフランジ部が設けられている。このため、箱型容器をネスティングした際に、上側の箱型容器の張り出し部と、下側の箱型容器の張り出し部とが近接、或いは接触していても、上側の箱型容器のフランジ部と、下側の箱型容器のフランジ部との間に指を差し込んで上側のフランジ部の裏面に指を掛け、上側の箱型容器を持ち上げることができる。従って、ネスティングした箱型容器のコンパクト化を図りつつ、ネスティングされた状態から上側の箱型容器を抜き取るといった作業をスムースに行うことができる。   According to the means 1, the short side protruding portion formed corresponding to the short side wall portion of the protruding portion includes the protruding portion at a position separated from the upper edge portion or the lower edge portion of the folded portion by a predetermined distance. A flange portion extending in the outer peripheral direction (for example, substantially horizontal direction) is provided. For this reason, when nesting the box-shaped container, even if the protruding part of the upper box-shaped container and the protruding part of the lower box-shaped container are close to or in contact with each other, the flange portion of the upper box-shaped container Then, the upper box-shaped container can be lifted by inserting a finger between the flange portion of the lower box-shaped container and placing the finger on the back surface of the upper flange section. Accordingly, it is possible to smoothly perform the operation of extracting the upper box-shaped container from the nested state while reducing the size of the nested box-shaped container.

また、フランジ部は凹部に設けられていることから、張り出し部のうち凹部が形成されていない一般部の折返し部よりもフランジ部を張り出し部の外周側に大きく突出させなくても、作業者の指が掛けられる程度にフランジ部の延出長を確保することができる。従って、フランジ部が一般部よりも張り出し部の外周側に大きく突出することによって、フランジ部が損傷し易くなったり、箱型容器の大型化を招いたりするといった事態を抑制することができる。   In addition, since the flange portion is provided in the concave portion, the operator does not have to project the flange portion to the outer peripheral side of the overhang portion more than the folded portion of the general portion where the concave portion is not formed. The extension length of the flange portion can be secured to such an extent that a finger can be hung. Accordingly, it is possible to suppress a situation in which the flange portion is easily damaged or the box-type container is increased in size because the flange portion protrudes larger than the general portion toward the outer peripheral side of the overhang portion.

尚、「ネスティング時の上側の箱型容器の張り出し部と下側の箱型容器の張り出し部との間隔が５ｍｍ以下であること」としてもよい。この場合、ネスティング効率を飛躍的に高めることができる。また、「ネスティング時の上側の箱型容器のフランジ部と下側の箱型容器のフランジ部との間隔が１０ｍｍ以上であること」としてもよい。この場合、フランジ部間に指を確実に差し入れることができ、上記作用効果が一層確実に奏される。また、前記フランジ部は、前記凹部の内側面に対して３辺で連結されていることとしてもよい。この場合、フランジ部が１辺で支持される場合に比べ、フランジ部の変形を防止することができ、フランジ部の破損を防止することができる。   It should be noted that “the distance between the protruding portion of the upper box-shaped container and the protruding portion of the lower box-shaped container during nesting is 5 mm or less”. In this case, nesting efficiency can be dramatically increased. Further, “the interval between the flange portion of the upper box-shaped container and the flange portion of the lower box-shaped container at the time of nesting may be 10 mm or more”. In this case, a finger can be surely inserted between the flange portions, and the above-described effects can be more reliably achieved. Moreover, the said flange part is good also as being connected with 3 sides with respect to the inner surface of the said recessed part. In this case, as compared with the case where the flange portion is supported on one side, deformation of the flange portion can be prevented, and damage to the flange portion can be prevented.

手段２．前記フランジ部の前記張り出し部外周側の端縁は、前記張り出し部のうち前記凹部が形成された部位の両側方に位置する一般部の前記折返し部の外側面と面一、又は、前記一般部の前記折返し部の外側面よりも前記張り出し部内周側に位置していることを特徴とする手段１に記載の箱型容器。   Mean 2. The edge of the flange portion on the outer peripheral side of the flange portion is flush with the outer surface of the folded portion of the general portion located on both sides of the portion where the recess is formed in the overhang portion, or the general portion. The box-shaped container according to means 1, wherein the box-shaped container is located on the inner peripheral side of the overhanging portion with respect to the outer side surface of the folded portion.

手段２によれば、フランジ部は一般部の折返し部よりも張り出し部外周側に飛び出していないため、フランジ部の破損をより確実に防止することができる。また、フランジ部が一般部の折返し部よりも外側に突出することに起因して箱型容器の大型化を招くといった事態を回避することができ、例えば、箱型容器の短辺部同士を突き当てるようにして保管する場合などに、保管スペースを極力小さくすることができる。   According to the means 2, since the flange portion does not protrude to the outer peripheral side of the overhanging portion with respect to the folded portion of the general portion, the flange portion can be more reliably prevented from being damaged. Further, it is possible to avoid a situation in which the size of the box-type container is increased due to the flange portion protruding outside the folded portion of the general part. For example, the short sides of the box-type container are protruded from each other. The storage space can be made as small as possible when storing it in contact.

手段３．前記凹部は、前記張り出し部のうち前記凹部が形成された部位の両側方に位置する一般部の前記折返し部よりも前記張り出し部内周側に前記折返し部を設けることで形成されるとともに、前記フランジ部は前記折返し部の下縁部から前記張り出し部外周側に延出する構成であって、
前記凹部の前記折返し部の延出長は、前記一般部の前記折返し部の延出長よりも長く構成され、前記フランジ部は前記一般部の折返し部と連結されていることを特徴とする手段１又は２に記載の箱型容器。 Means 3. The concave portion is formed by providing the folded portion on the inner peripheral side of the overhang portion with respect to the folded portion of the general portion located on both sides of the portion where the concave portion is formed in the overhang portion, and the flange. The portion is configured to extend from the lower edge portion of the folded portion to the outer peripheral side of the overhang portion,
The extension length of the folded portion of the recess is configured to be longer than the extended length of the folded portion of the general portion, and the flange portion is connected to the folded portion of the general portion. The box-type container according to 1 or 2.

手段３によれば、張り出し部のうち凹部が形成された部位の強度を向上させることができる。また、凹部の折返し部の延出長が長く構成されることによって、凹部の折返し部の裏面に手を掛けやすくなり（力をかけやすくなり）、物品を収容した箱型容器を持ち運ぶ際などの作業性の向上を図ることができる。   According to the means 3, it is possible to improve the strength of the portion of the projecting portion where the concave portion is formed. In addition, since the extended length of the folded portion of the concave portion is configured to be long, it becomes easier to place a hand on the back surface of the folded portion of the concave portion (easy to apply force), and when carrying a box-shaped container containing articles Workability can be improved.

手段４．前記長辺側側壁部は、鉛直方向に対する傾斜角度が前記短辺側側壁部と同じ第１傾斜部と、前記第１傾斜部よりも前記周壁部の外周側に大きく傾斜した第２傾斜部とを備えていることを特徴とする手段１乃至３のいずれかに記載の箱型容器。   Means 4. The long side wall portion includes a first inclined portion having an inclination angle with respect to a vertical direction that is the same as that of the short side wall portion, and a second inclined portion that is largely inclined to the outer peripheral side of the peripheral wall portion rather than the first inclined portion. A box-shaped container according to any one of means 1 to 3, characterized by comprising:

例えば、ネスティングされた箱型容器を上のものから１つずつ持ち上げようとした場合、持ち上げた箱型容器の外側面（主に底壁部の下面）と、その下側の箱型容器の内側面（主に底壁部の上面）との間に形成される空間が負圧状態になり、持ち上げた箱型容器のみならず、その下側の箱型容器も持ち上がってしまうことが懸念される。この場合、ネスティングされた箱型容器を抜き取る際に、その下側の箱型容器を手で押さえる必要が生じるなど作業性の低下等を招くおそれがある。   For example, when trying to lift a nested box-type container one by one from the top, the outer side of the lifted box-type container (mainly the bottom surface of the bottom wall) and the lower side of the box-type container There is a concern that the space formed between the side surfaces (mainly the upper surface of the bottom wall portion) will be in a negative pressure state and not only the raised box-shaped container but also the box-shaped container below it will be lifted. . In this case, when extracting the nested box-shaped container, it may be necessary to hold the lower box-shaped container by hand, resulting in a decrease in workability.

これに対し、本手段４によれば、長辺側側壁部は短辺側側壁部よりも大きく傾斜した第２傾斜部を備えている。このため、箱型容器をネスティングした際に、上下に重ねられた箱型容器の第１傾斜部間の距離よりも、第２傾斜部間の距離の方が大きくなる。従って、第２傾斜部間の隙間から上下の箱型容器の間に形成される空間に外気が入り易くなり、上側の箱型容器を持ち上げた際に下側の箱型容器がくっついてきてしまうといった事態を防止することができる。結果として、ネスティングされた状態から上側の箱型容器を抜き取るといった作業をスムースに行うことができる。   On the other hand, according to the means 4, the long side wall portion is provided with the second inclined portion that is inclined more greatly than the short side wall portion. For this reason, when nesting box-shaped containers, the distance between the second inclined portions becomes larger than the distance between the first inclined portions of the box-shaped containers stacked one above the other. Accordingly, outside air easily enters the space formed between the upper and lower box-shaped containers from the gap between the second inclined portions, and the lower box-shaped container sticks when the upper box-shaped container is lifted. Such a situation can be prevented. As a result, it is possible to smoothly perform the operation of extracting the upper box-shaped container from the nested state.

手段５．前記長辺側側壁部は、前記第１傾斜部を成形するための第１成形部と、前記第２傾斜部を成形するための第２成形部とで、鉛直方向における傾斜角度が異なる金型装置を用いて形成されることを特徴とする手段４に記載の箱型容器。   Means 5. The long side wall portion is a mold having different inclination angles in the vertical direction between a first forming portion for forming the first inclined portion and a second forming portion for forming the second inclined portion. The box-shaped container according to the means 4, which is formed by using an apparatus.

手段５によれば、上記手段４の箱型容器を確実に得ることができる。   According to the means 5, the box-shaped container of the means 4 can be obtained reliably.

手段６．前記長辺側側壁部のうち、前記短辺側側壁部と連接する幅方向両側部近傍部位は前記第１傾斜部として構成され、幅方向中央部は前記第２傾斜部として構成されていることを特徴とする手段４又は５に記載の箱型容器。   Means 6. Among the long side wall portions, the vicinity of both sides in the width direction connected to the short side wall portions is configured as the first inclined portion, and the central portion in the width direction is configured as the second inclined portion. The box-type container according to 4 or 5 characterized by the above.

一般に、底壁部の長辺部に沿って形成される長辺側側壁部に関しては、幅方向中央部において周壁部内周側に凸となるようにして成形歪みを生じやすい。このように成形歪みが生じた場合、長辺側側壁部の幅方向中央部が幅方向両側部よりも周壁部の内周側に位置してしまい、ネスティングした際に、上下に重ねられた箱型容器の長辺側側壁部同士が近接、或いは接触することが懸念される。これに起因して、ネスティングされた箱型容器を抜き取る作業に際して、作業性の低下を招くおそれがある。   Generally, with respect to the long side wall portion formed along the long side portion of the bottom wall portion, molding distortion tends to occur so as to protrude toward the inner peripheral side of the peripheral wall portion at the center in the width direction. When molding distortion occurs in this way, the central part in the width direction of the side wall on the long side is located on the inner peripheral side of the peripheral wall part from both side parts in the width direction, and the boxes are stacked one above the other when nesting occurs There is a concern that the long side wall portions of the mold container are close to or in contact with each other. Due to this, there is a risk that workability may be reduced during the operation of extracting the nested box-shaped container.

これに対し、本手段６によれば、長辺側側壁部の幅方向中央部を周壁部外周側に傾くようにして成形しているため、長辺側側壁部に上記のような成形歪みが生じたとしても、長辺側側壁部の幅方向中央部が幅方向両側部よりも周壁部内周側に位置してしまうといった事態を防止することができる。従って、ネスティングされた箱型容器の抜き取り作業性の向上を図るといった作用効果が一層確実に奏される。   On the other hand, according to the present means 6, since the central portion in the width direction of the long side wall portion is formed to be inclined toward the outer peripheral side of the peripheral wall portion, the long side wall portion is subjected to the above-described forming distortion. Even if it occurs, it is possible to prevent a situation in which the central portion in the width direction of the long side wall portion is positioned closer to the inner peripheral side of the peripheral wall portion than both side portions in the width direction. Therefore, the operational effect of improving the workability for extracting the nested box-shaped container is more reliably achieved.

手段７．前記箱型容器を交互に１８０度回転させて上下に重ねることでスタッキングができる構成であって、
スタッキングした際に上側の箱型容器を支持する支持壁部と、
スタッキングした際に下側の箱型容器の前記支持壁部に支持される支脚部と、
前記支脚部が中空状に形成されることで構成され、ネスティングした際に上側の箱型容器の前記支脚部を収容可能な脚部収容部とを備え、
前記支脚部の外側面には段差部が設けられ、前記支脚部のうち前記段差部よりも下側の部位は上側の部位よりも細くなっていることを特徴とする手段１乃至６のいずれかに記載の箱型容器。 Mean 7 The box-shaped container is configured to be stacked by alternately rotating 180 degrees and stacking up and down,
A support wall for supporting the upper box container when stacking;
A support leg portion supported by the support wall portion of the lower box-shaped container when stacking;
The support leg portion is configured to be formed in a hollow shape, and includes a leg portion accommodating portion that can accommodate the support leg portion of the upper box-shaped container when nesting is performed,
Any one of means 1 to 6, wherein a step portion is provided on an outer surface of the support leg portion, and a portion of the support leg portion that is lower than the step portion is thinner than an upper portion. A box-shaped container as described in 1.

手段７によれば、段差部において、支脚部と脚部収容部との間の隙間が大きくなるため、ネスティングされた箱型容器のうち上側の箱型容器を持ち上げた際に、かかる隙間から上下の箱型容器の間に形成される空間に外気が入り易くなる。従って、上側の箱型容器を持ち上げた際に上下の箱型容器の間に形成される空間が負圧状態となることに起因して、下側の箱型容器がくっついてきてしまうといった事態を防止することができる。結果として、ネスティングされた状態から上側の箱型容器を抜き取るといった作業をスムースに行うことができる。   According to the means 7, the gap between the support leg portion and the leg housing portion is increased in the stepped portion, and therefore, when the upper box-shaped container among the nested box-shaped containers is lifted, The outside air easily enters the space formed between the box-shaped containers. Therefore, when the upper box-shaped container is lifted, the space formed between the upper and lower box-shaped containers is in a negative pressure state, so that the lower box-shaped container is stuck. Can be prevented. As a result, it is possible to smoothly perform the operation of extracting the upper box-shaped container from the nested state.

箱型容器を上面側から見た斜視図である。It is the perspective view which looked at the box-type container from the upper surface side. 箱型容器を下面側から見た斜視図である。It is the perspective view which looked at the box-type container from the lower surface side. 箱型容器の平面図である。It is a top view of a box-type container. ネスティングした箱型容器の斜視図である。It is a perspective view of the nesting box type container. ネスティングした箱型容器を示す図３のＡ−Ａ線断面図である。It is the sectional view on the AA line of FIG. 3 which shows the nesting box-shaped container. ネスティングした箱型容器を示す図３のＢ−Ｂ線断面図である。It is the BB sectional drawing of FIG. 3 which shows the nesting box-shaped container. ネスティングした箱型容器を示す図３のＣ−Ｃ線断面図である。It is CC sectional view taken on the line of FIG. 3 which shows the nesting box-shaped container. ネスティングした箱型容器を示す図３のＤ−Ｄ線断面図である。It is the DD sectional view taken on the line of FIG. 3 which shows the nesting box-shaped container. ネスティングした箱型容器を示す図３のＥ−Ｅ線断面図である。It is the EE sectional view taken on the line of FIG. 3 which shows the nesting box-shaped container. 別の実施形態におけるネスティングした箱型容器を示す断面図である。It is sectional drawing which shows the nesting box-shaped container in another embodiment. 別の実施形態における箱型容器の斜視図である。It is a perspective view of the box-type container in another embodiment. 別の実施形態における箱型容器の斜視図である。It is a perspective view of the box-type container in another embodiment.

以下に、一実施形態について図面を参照して説明する。図１〜図３等に示すように、箱型容器１は、相対する一対の長辺部と相対する一対の短辺部とを備える略矩形板状の底壁部２と、底壁部２の周縁部から上方に突出する枠状の周壁部３と、周壁部３の上縁部全周域から周壁部３の外周方向に突出する張り出し部４とを備え、これらが型成形により一体的に形成されている。本実施形態では、箱型容器１はポリプロピレンにより構成されている。尚、本実施形態の底壁部２及び周壁部３には水抜き孔等の透孔は形成されていない。   Hereinafter, an embodiment will be described with reference to the drawings. As shown in FIGS. 1 to 3 and the like, the box-shaped container 1 includes a bottom wall 2 having a substantially rectangular plate shape having a pair of opposed long sides and a pair of opposed short sides, and a bottom wall 2. Frame-shaped peripheral wall portion 3 that protrudes upward from the peripheral edge portion, and an overhang portion 4 that protrudes from the entire peripheral region of the upper edge portion of the peripheral wall portion 3 toward the outer periphery of the peripheral wall portion 3, and these are integrally formed by molding Is formed. In this embodiment, the box-type container 1 is made of polypropylene. Note that through holes such as drain holes are not formed in the bottom wall portion 2 and the peripheral wall portion 3 of the present embodiment.

周壁部３は、底壁部２の相対する長辺部からそれぞれ上方に延出する第１側壁部１１及び第２側壁部１２と、底壁部２の相対する短辺部からそれぞれ上方に延出する第３側壁部１３及び第４側壁部１４とを備えている。また、周壁部３（各側壁部１１、１２、１３、１４）は、型抜きの都合上、上方に向けて周壁部３の外周側に若干傾斜して延びている。さらに、箱型容器１は、いずれの部位においても肉厚がほぼ一定であり、箱型容器１の外側形状と、箱型容器１の内側形状とがほぼ同じ形状をなしている。このため、箱型容器１を同じ向きで上下に重ねることで図４に示すようにネスティングすることができ、物品を取出した箱型容器１を搬送元に回収する際の効率を高めることができる。尚、本実施形態では第１側壁部１１及び第２側壁部１２が長辺側側壁部に相当し、第３側壁部１３及び第４側壁部１４が短辺側側壁部に相当する。   The peripheral wall portion 3 extends upward from the first side wall portion 11 and the second side wall portion 12 respectively extending upward from the opposing long side portions of the bottom wall portion 2 and from the corresponding short side portion of the bottom wall portion 2. A third side wall part 13 and a fourth side wall part 14 are provided. Moreover, the surrounding wall part 3 (each side wall part 11, 12, 13, 14) is inclining and extending to the outer peripheral side of the surrounding wall part 3 toward the upper direction on account of die cutting. Furthermore, the thickness of the box-shaped container 1 is substantially constant at any part, and the outer shape of the box-shaped container 1 and the inner shape of the box-shaped container 1 are substantially the same. For this reason, it is possible to nest as shown in FIG. 4 by stacking the box-shaped containers 1 in the same direction, and it is possible to increase the efficiency in collecting the box-shaped containers 1 from which the articles have been taken out to the transportation source. . In the present embodiment, the first side wall 11 and the second side wall 12 correspond to the long side wall, and the third side wall 13 and the fourth side wall 14 correspond to the short side wall.

また、第３側壁部１３及び第４側壁部１４は、周壁部３の外周側に膨出する支脚部１５と、箱型容器１を交互に１８０度回転させて上下に重ねた場合に前記支脚部１５を支持する支持壁部１６とを備えている。具体的に、第３側壁部１３に関しては、その幅方向両側部（第１側壁部１１及び第２側壁部１２との連接部位）において第３支脚部１５ａが設けられ、第３支脚部１５ａよりも第３側壁部１３の幅方向中央部側において第３支持壁部１６ａが設けられている。一方、第４側壁部１４に関しては、その幅方向両側部において第３支脚部１５ａと対向する位置に第４支持壁部１６ｂが設けられ、第４支持壁部１６ｂよりも第４側壁部１４の幅方向中央部側において第３支持壁部１６ａと対向する位置に第４支脚部１５ｂが設けられている。そして、箱型容器１の上に同じ箱型容器１を１８０度回転させて乗せた場合に、上側の箱型容器１の第３支脚部１５ａが下側の箱型容器１の第４支持壁部１６ｂに支持され、上側の箱型容器１の第４支脚部１５ｂが下側の箱型容器１の第３支持壁部１６ａに支持される。これにより、物品を収容した箱型容器１を段積み（スタッキング）することができる。   Further, the third side wall portion 13 and the fourth side wall portion 14 are arranged so that the support leg portion 15 that bulges to the outer peripheral side of the peripheral wall portion 3 and the box-like container 1 are alternately rotated 180 degrees and stacked vertically. And a support wall portion 16 that supports the portion 15. Specifically, with respect to the third side wall 13, third support legs 15 a are provided at both sides in the width direction (connection portions between the first side walls 11 and the second side walls 12), and from the third support legs 15 a. In addition, a third support wall portion 16 a is provided on the center side in the width direction of the third side wall portion 13. On the other hand, with respect to the fourth side wall portion 14, the fourth support wall portion 16 b is provided at a position facing the third support leg portion 15 a on both side portions in the width direction, and the fourth side wall portion 14 is located more than the fourth support wall portion 16 b. A fourth support leg portion 15b is provided at a position facing the third support wall portion 16a on the widthwise central portion side. Then, when the same box-shaped container 1 is rotated 180 degrees on the box-shaped container 1, the third support leg 15a of the upper box-shaped container 1 is the fourth support wall of the lower box-shaped container 1. The fourth support leg portion 15b of the upper box-type container 1 is supported by the third support wall portion 16a of the lower box-type container 1. Thereby, the box-shaped containers 1 containing the articles can be stacked (stacked).

また、支持壁部１６は周壁部３の上縁部（後述する延出部２１）よりも下方に設けられており、箱型容器１をスタッキングした場合、上側の箱型容器１の下部は、下側の箱型容器１の内側に嵌合して位置決めされる。これにより、箱型容器１を安定して段積みすることができる。さらに、支持壁部１６の上面には上方に突出する支持凸部１７（図１参照）が形成され、支脚部１５の下面には、スタッキング時に支持凸部１７が差し込まれる支持凹部１８（図２参照）が形成されている。当該構成により、スタッキングした箱型容器１のがたつき等をより確実に防止することができる。   Further, the support wall portion 16 is provided below the upper edge portion (extended portion 21 described later) of the peripheral wall portion 3, and when the box-shaped container 1 is stacked, the lower portion of the upper box-shaped container 1 is It is fitted and positioned inside the lower box-shaped container 1. Thereby, the box-type container 1 can be stacked stably. Further, a support convex portion 17 (see FIG. 1) protruding upward is formed on the upper surface of the support wall portion 16, and a support concave portion 18 (FIG. 2) into which the support convex portion 17 is inserted during stacking is formed on the lower surface of the support leg portion 15. Reference) is formed. With this configuration, rattling or the like of the stacked box-type container 1 can be more reliably prevented.

また、第３側壁部１３及び第４側壁部１４は、各支脚部１５の内側を中空状に形成することで形成された脚部収容部１９を備えており、箱型容器１を同じ向きで上下に重ねた場合、図９に示すように、各支脚部１５が各脚部収容部１９の内側に収容される。これにより、上記のように箱型容器１を同じ向きで積み重ねることでネスティングすることができる。   Moreover, the 3rd side wall part 13 and the 4th side wall part 14 are provided with the leg part accommodating part 19 formed by forming the inner side of each supporting leg part 15 in hollow shape, and make the box-shaped container 1 in the same direction. When stacked one above the other, as shown in FIG. 9, each supporting leg portion 15 is accommodated inside each leg portion accommodating portion 19. Thereby, it can nest by stacking the box-shaped container 1 in the same direction as mentioned above.

さらに、各支脚部１５の外側面には段差部２０が形成され、段差部２０よりも下側の部位が上側の部位よりも細くなっている。当該構成により、箱型容器１をネスティングした際に、段差部２０において支脚部１５と脚部収容部１９との間に比較的大きな隙間が形成されることとなる。   Further, a step portion 20 is formed on the outer surface of each support leg portion 15, and a portion below the step portion 20 is thinner than an upper portion. With this configuration, when the box-type container 1 is nested, a relatively large gap is formed between the support leg 15 and the leg accommodating part 19 in the stepped part 20.

また、本実施形態では、第１側壁部１１及び第２側壁部１２の傾斜角度が部分的に異なっている。具体的に、図６に示す第２側壁部１２の幅方向中央部１２ａの鉛直方向に対する傾斜角度は、図５に示す幅方向両側部近傍部位１２ｂの鉛直方向に対する傾斜角度よりも大きくなっている（第１側壁部１１に関しても同様）。すなわち、第２側壁部１２（第１側壁部１１）は、幅方向中央部において周壁部３外周側に最も大きく開くようにして形成されている。これにより、箱型容器１をネスティングした場合に、上下に重ねられた箱型容器１の第２側壁部１２（第１側壁部１１）の幅方向両側部近傍部位１２ｂ間の隙間（図５参照）よりも、第２側壁部１２（第１側壁部１１）の幅方向中央部１２ａ間の隙間（図６参照）の方が大きくなっている。また、第３側壁部１３及び第４側壁部１４に関しては、いずれの部位においても傾斜角度は一定となっている。さらに、第１側壁部１１及び第２側壁部１２の幅方向両側部近傍部位（１２ｂ）の傾斜角度は、第３側壁部１３及び第４側壁部１４の傾斜角度と同じとなっている。本実施形態では、第１側壁部１１及び第２側壁部１２の幅方向両側部近傍部位（１２ｂ）が第１傾斜部に相当し、第１側壁部１１及び第２側壁部１２の幅方向中央部（１２ａ）が第２傾斜部に相当する。   Moreover, in this embodiment, the inclination angle of the 1st side wall part 11 and the 2nd side wall part 12 differs partially. Specifically, the inclination angle with respect to the vertical direction of the central portion 12a in the width direction of the second side wall portion 12 shown in FIG. 6 is larger than the inclination angle with respect to the vertical direction of the adjacent portions 12b in the width direction on both sides shown in FIG. (The same applies to the first side wall 11). That is, the second side wall part 12 (first side wall part 11) is formed so as to open most widely to the outer peripheral side of the peripheral wall part 3 in the central part in the width direction. As a result, when the box-shaped container 1 is nested, the gap between the adjacent portions 12b in the width direction on both sides of the second side wall part 12 (first side wall part 11) of the box-shaped container 1 stacked vertically (see FIG. 5). ) Is larger in the gap (see FIG. 6) between the central portions 12a in the width direction of the second side wall portion 12 (first side wall portion 11). In addition, regarding the third side wall portion 13 and the fourth side wall portion 14, the inclination angle is constant in any part. Furthermore, the inclination angles of the first side wall part 11 and the second side wall part 12 in the vicinity of both sides (12b) in the width direction are the same as the inclination angles of the third side wall part 13 and the fourth side wall part 14. In the present embodiment, the portions in the vicinity of both side portions (12b) in the width direction of the first sidewall portion 11 and the second sidewall portion 12 correspond to first inclined portions, and the width direction centers of the first sidewall portion 11 and the second sidewall portion 12 are the same. The part (12a) corresponds to a second inclined part.

尚、箱型容器１を形成する金型装置（図示略）は、第１側壁部１１（第２側壁部１２）の幅方向中央部を成形する部位（第２成形部）が鉛直方向に対して周壁部３の外周側に１０度傾いており、第１側壁部１１（第２側壁部１２）の幅方向両側部近傍部位を形成する部位（第１成形部）が鉛直方向に対して周壁部３の外周側に９度傾いている。つまり、鉛直方向に対する第１側壁部１１（第２側壁部１２）の横幅方向中央部の傾斜角度は約１０度であり、第１側壁部１１（第２側壁部１２）の横幅方向両側部近傍部位の傾斜角度は約９度となっている。尚、本実施形態では、第１側壁部１１（第２側壁部１２）の幅方向中央部と両側部との間の角度は徐々に変化しているが、段差が形成されるようにして幅方向中央部の角度と両側部の角度とを変化させてもよい。   In addition, as for the metal mold apparatus (not shown) which forms the box-type container 1, the site | part (2nd shaping | molding part) which shape | molds the width direction center part of the 1st side wall part 11 (2nd side wall part 12) with respect to a perpendicular direction. The portion (first molding portion) that is inclined 10 degrees toward the outer peripheral side of the peripheral wall portion 3 and forms the vicinity of both sides in the width direction of the first side wall portion 11 (second side wall portion 12) is the peripheral wall with respect to the vertical direction. It is inclined 9 degrees toward the outer peripheral side of the part 3. That is, the inclination angle of the central portion in the width direction of the first side wall portion 11 (second side wall portion 12) with respect to the vertical direction is about 10 degrees, and in the vicinity of both sides in the width direction of the first side wall portion 11 (second side wall portion 12). The inclination angle of the part is about 9 degrees. In the present embodiment, the angle between the central portion in the width direction of the first side wall portion 11 (second side wall portion 12) and both side portions gradually changes, but the width is set so that a step is formed. You may change the angle of a direction center part, and the angle of both sides.

さて、張り出し部４は、各側壁部１１、１２、１３、１４の上縁部から周壁部３の外周方向に向けて水平に延出する延出部２１と、延出部２１の先端縁から下方に向けて延出する折返し部２２とを備えている。尚、折返し部２２は、型抜きの都合上、下方に向けて周壁部３の外周側に若干傾斜して延びている。   The overhanging portion 4 includes an extension portion 21 that extends horizontally from the upper edge portion of each side wall portion 11, 12, 13, 14 toward the outer peripheral direction of the peripheral wall portion 3, and a tip edge of the extension portion 21. And a folded portion 22 extending downward. Note that the folded portion 22 extends slightly inclined toward the outer peripheral side of the peripheral wall portion 3 toward the lower side for convenience of die cutting.

張り出し部４のうち、第３側壁部１３に対応して形成される部位（以下、第３張り出し部３３と称する）、及び、第４側壁部１４に対応して形成される部位（以下、第４張り出し部３４と称する）には、長手方向中央位置において、張り出し部４の内周側に凹となる凹部２５が形成されている。当該凹部２５は、第３張り出し部３３及び第４張り出し部３４のうち凹部２５の両側方の凹部２５が形成されていない部位（以下、一般部２４と称する）よりも折返し部２２を張り出し部４内周側において形成するとともに、凹部２５の折返し部２２（２２ａ）の両側部と、一般部２４の折返し部２２（２２ｂ）の両側部とを連結する連結部２６を設けることにより形成されている。尚、本実施形態では、第３張り出し部３３、第４張り出し部３４が短辺側張り出し部に相当する。   Of the overhanging portion 4, a portion formed corresponding to the third side wall portion 13 (hereinafter referred to as the third overhanging portion 33) and a portion formed corresponding to the fourth side wall portion 14 (hereinafter referred to as the 4 is referred to as an overhang portion 34), and a recess 25 is formed on the inner peripheral side of the overhang portion 4 at the longitudinal center position. The recessed portion 25 has a folded portion 22 that is longer than the portion of the third projecting portion 33 and the fourth projecting portion 34 where the recessed portions 25 on both sides of the recessed portion 25 are not formed (hereinafter referred to as a general portion 24). In addition to being formed on the inner peripheral side, it is formed by providing connecting portions 26 that connect both sides of the folded portion 22 (22a) of the recess 25 and both sides of the folded portion 22 (22b) of the general portion 24. . In the present embodiment, the third projecting portion 33 and the fourth projecting portion 34 correspond to the short side projecting portion.

また、凹部２５には、折返し部２２ａの先端縁から張り出し部４の外周方向に向けて水平に延びるフランジ部２７が形成されている。フランジ部２７の両側部は連結部２６に連結されている。さらに、フランジ部２７の肉厚は、延出部２１等のその他の部位の肉厚と同じである。すなわち、フランジ部２７は、凹部２５の折返し部２２（２２ａ）の上縁部から折返し部２２（２２ａ）の延出長とほぼ同じ距離だけ離れた位置に設けられている。これにより、箱型容器１をネスティングした場合、図７に示すように、上側の箱型容器１のフランジ部２７と下側の箱型容器１のフランジ部２７との間に隙間が形成されることとなる。また、フランジ部２７の先端縁は、一般部２４の折返し部２２（２２ｂ）の外側面と面一となっている。   The recess 25 is formed with a flange portion 27 that extends horizontally from the leading edge of the folded portion 22a toward the outer periphery of the overhang portion 4. Both side portions of the flange portion 27 are connected to the connecting portion 26. Furthermore, the thickness of the flange portion 27 is the same as the thickness of other portions such as the extension portion 21. That is, the flange portion 27 is provided at a position separated from the upper edge portion of the folded portion 22 (22a) of the recess 25 by substantially the same distance as the extension length of the folded portion 22 (22a). Accordingly, when the box-shaped container 1 is nested, a gap is formed between the flange portion 27 of the upper box-shaped container 1 and the flange portion 27 of the lower box-shaped container 1 as shown in FIG. It will be. Further, the front end edge of the flange portion 27 is flush with the outer surface of the folded portion 22 (22b) of the general portion 24.

さらに、凹部２５の折返し部２２（２２ａ）の延出長は、一般部２４の折返し部２２（２２ｂ）の延出長よりも長く構成され、フランジ部２７は一般部２４の折返し部２２（２２ｂ）よりも下方に位置している。本実施形態では、ネスティング時において、上側の箱型容器１の一般部２４の折返し部２２（２２ｂ）の下縁部と、下側の箱型容器１の一般部２４の折返し部２２（２２ｂ）の上縁部（延出部２１）との間の距離が約５ｍｍとなっている。また、ネスティング時において、上側の箱型容器１の凹部２５の折返し部２２（２２ａ）の下縁部と、下側の箱型容器１の凹部２５の折返し部２２（２２ａ）の上縁部（延出部２１）との間の距離が約１ｍｍとなっている。また、一般部２４の折返し部２２（２２ｂ）のうち凹部２５との連接部位は、フランジ部２７に向けて下方傾斜してフランジ部２７に連結されている。これによりフランジ部２７の剛性を高めることができ、フランジ部２７の変形や破損などを防止することができる。   Further, the extension length of the folded portion 22 (22a) of the concave portion 25 is configured to be longer than the extended length of the folded portion 22 (22b) of the general portion 24, and the flange portion 27 is formed of the folded portion 22 (22b) of the general portion 24. ). In the present embodiment, at the time of nesting, the lower edge portion of the folded portion 22 (22b) of the general portion 24 of the upper box-shaped container 1 and the folded portion 22 (22b) of the general portion 24 of the lower box-shaped container 1 are used. The distance between the upper edge portion (extension portion 21) of the upper portion is about 5 mm. At the time of nesting, the lower edge portion of the folded portion 22 (22a) of the recessed portion 25 of the upper box-shaped container 1 and the upper edge portion of the folded portion 22 (22a) of the recessed portion 25 of the lower box-shaped container 1 ( The distance between the extension part 21) is about 1 mm. In addition, a portion of the folded portion 22 (22 b) of the general portion 24 that is connected to the concave portion 25 is inclined downward toward the flange portion 27 and connected to the flange portion 27. Thereby, the rigidity of the flange portion 27 can be increased, and deformation or breakage of the flange portion 27 can be prevented.

箱型容器１の４隅近傍位置には、張り出し部４の延出部２１から下方に突出するコーナーリブ４１が設けられている。本実施形態では、箱型容器１をネスティングした際に、上側の箱型容器１のコーナーリブ４１が下側の箱型容器１の延出部２１上面に当接して支持される構成となっており、基本的にその他の部位においてネスティングされた箱型容器１同士が接触することはない。   In the vicinity of the four corners of the box-shaped container 1, corner ribs 41 projecting downward from the extending portion 21 of the overhang portion 4 are provided. In the present embodiment, when the box-shaped container 1 is nested, the corner rib 41 of the upper box-shaped container 1 is supported in contact with the upper surface of the extension portion 21 of the lower box-shaped container 1. Basically, the box-type containers 1 nested in other parts do not come into contact with each other.

また、支持壁部１６の下面には、側壁部１３、１４の外側面との間にかけて三角形状の補強リブ４２が設けられている。当該補強リブ４２により支持壁部１６の剛性が高められている。また、補強リブ４２が三角形状に構成されることによって、図８に示すように、ネスティングに際し、補強リブ４２が下側の箱型容器１の張り出し部４（延出部２１等）に当接しないように構成されている。   Further, triangular reinforcing ribs 42 are provided on the lower surface of the support wall portion 16 between the side walls 13 and 14 and the outer surface. The reinforcing rib 42 increases the rigidity of the support wall portion 16. Further, since the reinforcing ribs 42 are formed in a triangular shape, as shown in FIG. 8, the reinforcing ribs 42 come into contact with the overhanging portions 4 (extending portions 21 and the like) of the lower box-type container 1 during nesting. It is configured not to.

加えて、第３張り出し部３３及び第４張り出し部３４の延出部２１には、その上面においてラベル貼着部４４が形成されている。ラベル貼着部４４は、延出部２１の上面よりも一段低く構成されている上、シボ加工が施されている。これにより、ラベル貼着部４４に貼着されたラベルの損傷等が抑制されるとともに、ラベルを比較的容易に剥がすことができる。   In addition, a label sticking portion 44 is formed on the upper surface of the extension portion 21 of the third and fourth overhang portions 33 and 34. The label attaching portion 44 is configured to be one step lower than the upper surface of the extending portion 21 and is subjected to a texture process. Thereby, while the damage etc. of the label stuck on the label sticking part 44 are suppressed, a label can be peeled off comparatively easily.

以上詳述したように、本実施形態によれば、張り出し部４のうち第３側壁部１３、第４側壁部１４に対応して形成される第３張り出し部３３、第４張り出し部３４には、張り出し部４内周側に凹となる凹部２５が設けられ、凹部２５には、凹部２５を構成する折返し部２２（２２ａ）の下縁部から略水平方向に延出するフランジ部２７が設けられている。このため、箱型容器１をネスティングした際に、上側の箱型容器１の張り出し部４と、下側の箱型容器１の張り出し部４とが近接、或いは接触していても、上側の箱型容器１のフランジ部２７と、下側の箱型容器１のフランジ部２７との間に指を差し込んで上側のフランジ部２７の裏面に指を掛け、上側の箱型容器１を持ち上げることができる。従って、ネスティングした箱型容器１のコンパクト化を図りつつ、ネスティングされた状態から上側の箱型容器１を抜き取るといった作業をスムースに行うことができる。   As described above in detail, according to the present embodiment, the third overhanging portion 33 and the fourth overhanging portion 34 formed corresponding to the third side wall portion 13 and the fourth side wall portion 14 of the overhanging portion 4 A concave portion 25 that is concave is provided on the inner peripheral side of the overhang portion 4, and the concave portion 25 is provided with a flange portion 27 that extends in a substantially horizontal direction from the lower edge portion of the folded portion 22 (22 a) constituting the concave portion 25. It has been. For this reason, even when the box-shaped container 1 is nested, even if the protruding part 4 of the upper box-shaped container 1 and the protruding part 4 of the lower box-shaped container 1 are close to or in contact with each other, the upper box The upper box-shaped container 1 can be lifted by inserting a finger between the flange part 27 of the mold container 1 and the flange part 27 of the lower box-shaped container 1 and putting the finger on the back surface of the upper flange part 27. it can. Accordingly, it is possible to smoothly perform the operation of extracting the upper box-shaped container 1 from the nested state while reducing the size of the nested box-shaped container 1.

また、フランジ部２７は凹部２５に設けられていることから、張り出し部４のうち凹部２５が形成されていない一般部２４の折返し部２２（２２ｂ）よりもフランジ部２７を張り出し部４の外周側に大きく突出させなくても、作業者の指が掛けられる程度にフランジ部２７の延出長を確保することができる。特に、本実施形態では、フランジ部２７の先端縁は、一般部２４の折返し部２２（２２ｂ）の外側面と面一となっている。このため、フランジ部２７が一般部２４よりも張り出し部４の外周側に突出することによって、フランジ部２７が損傷し易くなったり、箱型容器１の大型化を招いたりするといった事態を抑制することができる。   Further, since the flange portion 27 is provided in the recessed portion 25, the flange portion 27 is disposed on the outer peripheral side of the protruding portion 4 rather than the folded portion 22 (22 b) of the general portion 24 in which the recessed portion 25 is not formed. Even if it does not project greatly, the extension length of the flange portion 27 can be secured to such an extent that the operator's finger can be hooked. In particular, in this embodiment, the front end edge of the flange portion 27 is flush with the outer surface of the folded portion 22 (22b) of the general portion 24. For this reason, when the flange part 27 protrudes to the outer peripheral side of the overhang | projection part 4 rather than the general part 24, the flange part 27 becomes easy to be damaged or the situation where the enlargement of the box-type container 1 is caused is suppressed. be able to.

加えて、フランジ部２７は、凹部２５を構成する折返し部２２（２２ａ）及び連結部２６に対して３辺で連結されている。このため、フランジ部２７が１辺で支持される（折返し部２２ａに対してのみ連結されている）場合に比べ、フランジ部２７の変形を防止することができ、フランジ部２７の破損を防止することができる。   In addition, the flange portion 27 is connected to the folded portion 22 (22 a) and the connecting portion 26 that constitute the recess 25 on three sides. For this reason, compared with the case where the flange part 27 is supported by one side (it is connected only with respect to the folding | turning part 22a), a deformation | transformation of the flange part 27 can be prevented and damage to the flange part 27 is prevented. be able to.

また、凹部２５の折返し部２２ａの延出長は、一般部２４の折返し部２２ｂの延出長よりも長く構成されている。さらに、フランジ部２７は一般部２４の折返し部２２ｂと連結されている。このため、張り出し部４のうち凹部２５が形成された部位の強度を向上させることができる。また、凹部２５の折返し部２２ａの延出長が長く構成されることによって、凹部２５の折返し部２２ａの裏面に手を掛けやすくなり（力をかけやすくなり）、物品を収容した箱型容器１を持ち運ぶ際などの作業性の向上を図ることができる。   Further, the extension length of the folded portion 22 a of the recess 25 is configured to be longer than the extended length of the folded portion 22 b of the general portion 24. Further, the flange portion 27 is connected to the folded portion 22 b of the general portion 24. For this reason, the intensity | strength of the site | part in which the recessed part 25 was formed among the overhang | projection parts 4 can be improved. Further, since the extended length of the folded portion 22a of the concave portion 25 is configured to be long, it becomes easy to put a hand on the back surface of the folded portion 22a of the concave portion 25 (it becomes easier to apply force), and the box-type container 1 containing articles is stored. This makes it possible to improve workability when carrying a bag.

また、例えば、ネスティングされた箱型容器１を上のものから１つずつ持ち上げようとした場合、持ち上げた箱型容器１の外側面（主に底壁部２の下面）と、その下側の箱型容器１の内側面（主に底壁部２の上面）との間に形成される空間が負圧状態になり、持ち上げた箱型容器１のみならず、その下側の箱型容器１も持ち上がってしまうことが懸念される。この場合、ネスティングされた箱型容器１を抜き取る際に、その下側の箱型容器１を手で押さえる必要が生じるなど作業性の低下等を招くおそれがある。   Also, for example, when trying to lift the nested box-shaped container 1 from the top one by one, the outer surface of the lifted box-shaped container 1 (mainly the lower surface of the bottom wall 2) and the lower side thereof The space formed between the inner surface of the box-type container 1 (mainly the upper surface of the bottom wall portion 2) is in a negative pressure state, and not only the raised box-type container 1 but also the box-type container 1 below it. There is concern that it will also lift. In this case, when the nested box-shaped container 1 is extracted, there is a possibility that workability may be deteriorated, for example, the lower box-shaped container 1 needs to be pressed by hand.

これに対し、本実施形態によれば、第１側壁部１１、第２側壁部１２は、その幅方向両側部近傍部位（１２ｂ）の鉛直方向に対する傾斜角度が第３側壁部１３、第４側壁部１４と同じ約９度に構成されるとともに、その幅方向中央部（１２ａ）の鉛直方向に対する傾斜角度が約１０度に構成されている。すなわち、第１側壁部１１及び第２側壁部１２の幅方向中央部（１２ａ）がその他の部位よりも周壁部３の外周側に大きく傾斜している。このため、箱型容器１をネスティングした際に、上下に重ねられた箱型容器１の第１側壁部１１及び第２側壁部１２の幅方向中央部（１２ａ）間の距離が比較的大きくなる（図５、図６参照）。従って、幅方向中央部（１２ａ）間の隙間から上下の箱型容器１の間に形成される空間に外気が入り易くなり、上側の箱型容器１を持ち上げた際に下側の箱型容器１がくっついてきてしまうといった事態を防止することができる。結果として、ネスティングされた状態から上側の箱型容器１を抜き取るといった作業をスムースに行うことができる。   On the other hand, according to the present embodiment, the first side wall 11 and the second side wall 12 have the third side wall 13 and the fourth side wall whose inclination angles with respect to the vertical direction of the portions (12b) near both sides in the width direction are the same. The angle is about 9 degrees, which is the same as that of the portion 14, and the inclination angle of the central portion (12 a) in the width direction with respect to the vertical direction is about 10 degrees. That is, the width direction center part (12a) of the 1st side wall part 11 and the 2nd side wall part 12 inclines largely toward the outer peripheral side of the surrounding wall part 3 rather than the other site | part. For this reason, when nesting the box-shaped container 1, the distance between the width direction center part (12a) of the 1st side wall part 11 and the 2nd side wall part 12 of the box-shaped container 1 piled up and down becomes comparatively large. (See FIGS. 5 and 6). Therefore, it becomes easy for outside air to enter the space formed between the upper and lower box-shaped containers 1 from the gap between the widthwise central portions (12a), and when the upper box-shaped container 1 is lifted, the lower box-shaped container The situation where 1 sticks can be prevented. As a result, it is possible to smoothly perform the operation of extracting the upper box container 1 from the nesting state.

また、一般に、底壁部２の長辺部に沿って形成される第１側壁部１１、第２側壁部１２に関しては、幅方向中央部において周壁部３内周側に凸となるようにして成形歪みを生じやすい。このように成形歪みが生じた場合、第１側壁部１１、第２側壁部１２の幅方向中央部が幅方向両側部よりも周壁部３の内周側に位置してしまい、ネスティングした際に、上下に重ねられた箱型容器１の第１側壁部１１、第２側壁部１２同士が近接、或いは接触することが懸念される。これに起因して、ネスティングされた箱型容器１を抜き取る作業に際して、作業性の低下を招くおそれがある。   In general, the first side wall portion 11 and the second side wall portion 12 formed along the long side portion of the bottom wall portion 2 are convex toward the inner peripheral side of the peripheral wall portion 3 at the center in the width direction. Prone to molding distortion. When molding distortion occurs in this way, the center portion in the width direction of the first side wall portion 11 and the second side wall portion 12 is positioned closer to the inner peripheral side of the peripheral wall portion 3 than both side portions in the width direction, and nesting occurs. There is a concern that the first side wall part 11 and the second side wall part 12 of the box-type container 1 that are stacked one above the other are close to or in contact with each other. Due to this, there is a risk that workability may be reduced during the operation of extracting the nested box-shaped container 1.

これに対し、本実施形態によれば、第１側壁部１１、第２側壁部１２の幅方向中央部を周壁部３外周側に傾くようにして成形しているため、第１側壁部１１、第２側壁部１２に上記のような成形歪みが生じたとしても、第１側壁部１１、第２側壁部１２の幅方向中央部が幅方向両側部よりも周壁部３内周側に位置してしまうといった事態を防止することができる。従って、ネスティングされた箱型容器１の抜き取り作業性の向上を図るといった作用効果が一層確実に奏される。   On the other hand, according to the present embodiment, the first side wall part 11 and the second side wall part 12 are formed so that the center part in the width direction is inclined toward the outer peripheral side of the peripheral wall part 3, Even if the above-described molding distortion occurs in the second side wall part 12, the width direction central part of the first side wall part 11 and the second side wall part 12 is located on the inner peripheral side of the peripheral wall part 3 rather than the both side parts in the width direction. Can be prevented. Therefore, the operational effect of improving the workability of extracting the nested box-type container 1 can be achieved more reliably.

また、支脚部１５の外側面に段差部２０が形成され、段差部２０よりも下側の部位が上側の部位に比べて細くなっている。このため、段差部２０において、支脚部１５と脚部収容部１９との間の隙間が大きくなるため、ネスティングされた箱型容器１のうち上側の箱型容器１を持ち上げた際に、かかる隙間から上下の箱型容器１の間に形成される空間に外気が入り易くなる。従って、上側の箱型容器１を持ち上げた際に上下の箱型容器１の間に形成される空間が負圧状態となることに起因して、下側の箱型容器１がくっついてきてしまうといった事態を防止することができる。結果として、ネスティングされた状態から上側の箱型容器１を抜き取るといった作業をスムースに行うことができる。   Further, a stepped portion 20 is formed on the outer surface of the support leg portion 15, and a portion below the stepped portion 20 is thinner than an upper portion. For this reason, in the level | step-difference part 20, since the clearance gap between the support leg part 15 and the leg part accommodating part 19 becomes large, when lifting the upper box-shaped container 1 among the nested box-shaped containers 1, this clearance gap The outside air easily enters the space formed between the upper and lower box-shaped containers 1. Therefore, when the upper box-shaped container 1 is lifted, the lower box-shaped container 1 sticks because the space formed between the upper and lower box-shaped containers 1 is in a negative pressure state. Such a situation can be prevented. As a result, it is possible to smoothly perform the operation of extracting the upper box container 1 from the nesting state.

さらに、ネスティングされた箱型容器１同士は、４隅近傍に対応して形成されたコーナーリブ４１においてのみ接触する構成となっている。このため、スタッキングした際に上側の箱型容器１を４隅近傍で安定して支持することができる上、上側の箱型容器１を支持する部位が多すぎて、逆にがたつきが生じてしまうといった事態を防止することができる。   Further, the nested box-type containers 1 are in contact with each other only at the corner ribs 41 formed corresponding to the vicinity of the four corners. For this reason, when stacking, the upper box-shaped container 1 can be stably supported in the vicinity of the four corners, and there are too many parts for supporting the upper box-shaped container 1, and rattling occurs. Can be prevented.

加えて、支持壁部１６の下面を支持する補強リブ４２は三角形状をなし、ネスティングした際に、当該補強リブ４２が張り出し部４に接触しないよう構成されている。このため、補強リブ４２によってネスティングが阻害されるといった事態を回避することができる。   In addition, the reinforcing rib 42 that supports the lower surface of the support wall portion 16 has a triangular shape, and is configured so that the reinforcing rib 42 does not contact the overhanging portion 4 when nesting is performed. For this reason, the situation where nesting is inhibited by the reinforcing rib 42 can be avoided.

尚、上記実施形態の記載内容に限定されず、例えば次のように実施してもよい。勿論、以下において例示しない他の応用例、変更例も当然可能である。   In addition, it is not limited to the description content of the said embodiment, For example, you may implement as follows. Of course, other application examples and modification examples not illustrated below are also possible.

（ａ）上記実施形態では特に言及していないが、凹部２５を構成する折返し部２２（２２ａ）の傾斜角度をその他の折返し部２２（２２ｂ）の傾斜角度と異ならせてもよい（例えば、鉛直方向に対してより大きく傾かせてもよい）し、延出部２１と折返し部２２（２２ａ）との連接部をＲ形状に構成することとしてもよい。この場合、箱型容器１をネスティングした場合に、凹部２５の形成部位において、下側の箱型容器１の延出部２１と上側の箱型容器１のフランジ部２７との間に比較的大きな隙間を形成することができ、上側の箱型容器１を持ち上げた際に、かかる隙間から上下に重なる箱型容器１間の空間に外気を導入し易くなる。従って、ネスティングした箱型容器１を抜き取る作業を行う際に、上下に重なる箱型容器１間の空間が負圧状態になり、かかる抜き取り作業をスムースに行えないといった事態をより確実に防止することができる。   (A) Although not specifically mentioned in the above embodiment, the inclination angle of the folded portion 22 (22a) constituting the recess 25 may be different from the inclination angle of the other folded portion 22 (22b) (for example, vertical The connecting portion between the extending portion 21 and the folded portion 22 (22a) may be formed in an R shape. In this case, when the box-shaped container 1 is nested, a relatively large portion is formed between the extension portion 21 of the lower box-shaped container 1 and the flange portion 27 of the upper box-shaped container 1 at the portion where the recess 25 is formed. A gap can be formed, and when the upper box-shaped container 1 is lifted, it becomes easy to introduce outside air into the space between the box-shaped containers 1 that overlap vertically from the gap. Therefore, when the nesting box-shaped container 1 is removed, the space between the box-shaped containers 1 that are vertically overlapped with each other is in a negative pressure state, so that it is possible to more reliably prevent such a situation that the extraction work cannot be performed smoothly. Can do.

（ｂ）上記実施形態では特に言及していないが、例えば、箱型容器１をバージン材料とリサイクル材料とで形成することとしてもよい。この場合、箱型容器１の材料費を低減させることができる上、省資源化を図ることができる。また、図１１に示すように、箱型容器１の長手方向中央部よりも第３側壁部１３側（散点模様を付した部位）をバージン材料で形成し、第４側壁部１４側を前記バージン材料とは色の異なるリサイクル材料で形成することとしてもよい。この場合、箱型容器１の向きを瞬時に判断することができ、スタッキングしたりネスティングしたりする際の作業性の向上を図ることができる。さらに、図１２に示すように、箱型容器１を上方、前方、後方、側方から見たときに箱型容器１の向きが把握できるように、張り出し部４の一部だけ（散点模様を付した部位）をバージン材料で形成することとしてもよい。この場合、箱型容器１の向きを瞬時に判断できる上、バージン材料で形成される部位の比率が下がり、材料コストの削減、省資源化といった作用効果が一層確実に奏される。   (B) Although not specifically mentioned in the above embodiment, for example, the box-type container 1 may be formed of a virgin material and a recycled material. In this case, the material cost of the box-type container 1 can be reduced, and resource saving can be achieved. Moreover, as shown in FIG. 11, the 3rd side wall part 13 side (site | part which attached the dotted pattern) is formed with a virgin material rather than the longitudinal direction center part of the box-shaped container 1, and the 4th side wall part 14 side is said side. The virgin material may be formed of a recycled material having a different color. In this case, the orientation of the box-type container 1 can be determined instantaneously, and the workability when stacking or nesting can be improved. Furthermore, as shown in FIG. 12, only a part of the overhanging portion 4 (spot pattern is formed so that the orientation of the box-shaped container 1 can be grasped when the box-shaped container 1 is viewed from above, front, rear, and side. It is good also as forming the site | part which attached | subjected with the virgin material. In this case, the orientation of the box-shaped container 1 can be determined instantaneously, and the ratio of the parts formed of the virgin material is reduced, so that the operational effects such as reduction in material cost and resource saving are more reliably achieved.

（ｃ）上記実施形態において、張り出し部４のうち側壁部１１、１２に対応して形成された部位の長手方向中央位置にも凹部２５及びフランジ部２７を形成してもよい。   (C) In the above embodiment, the concave portion 25 and the flange portion 27 may be formed at the longitudinal center position of the portion of the overhang portion 4 formed corresponding to the side wall portions 11 and 12.

また、上記実施形態では、第３張り出し部３３及び第４張り出し部３４の延出部２１上面にのみラベル貼着部４４が設けられているが、その他の部位に設けることとしてもよい。例えば、張り出し部４のうち第１側壁部１１及び第２側壁部１２に対応する部位にラベル貼着部４４を設けることとしてもよいし、ラベル貼着部４４を第３張り出し部３３及び第４張り出し部３４の延出部２１上面から折返し部２２の外側面にかけて形成し、当該ラベル貼着部４４に対しラベルをＬ字に折り曲げるようにして貼着させる構成としてもよい。   Moreover, in the said embodiment, although the label sticking part 44 is provided only in the extension part 21 upper surface of the 3rd overhang | projection part 33 and the 4th overhang | projection part 34, it is good also as providing in another site | part. For example, it is good also as providing the label sticking part 44 in the site | part corresponding to the 1st side wall part 11 and the 2nd side wall part 12 among the overhang | projection parts 4, and the label sticking part 44 is made into the 3rd overhang part 33 and 4th. It is good also as a structure which forms from the extension part 21 upper surface of the overhang | projection part 34 to the outer side surface of the folding | turning part 22, and affixes the label sticking part 44 so that a label may be bent in L shape.

（ｄ）上記実施形態では、フランジ部２７が折返し部２２（２２ａ）の下縁部に設けられているが、折返し部２２ａの上縁部から下縁部の間のいずれの位置に設けることとしてもよい。すなわち、フランジ部２７を折返し部２２ａの上縁部から下縁部の間のいずれの位置に設けても、ネスティングされた上側の箱型容器１のフランジ部２７と下側の箱型容器１のフランジ部２７との間の距離は同じであり、上記実施形態と同様の作用効果が奏される。   (D) In the said embodiment, although the flange part 27 is provided in the lower edge part of the folding | turning part 22 (22a), as providing in any position between the upper edge part of the folding | turning part 22a and a lower edge part Also good. That is, even if the flange portion 27 is provided at any position between the upper edge portion and the lower edge portion of the folded portion 22a, the flange portion 27 of the nested upper box container 1 and the lower box container 1 The distance to the flange portion 27 is the same, and the same effects as those of the above embodiment are achieved.

（ｅ）上記実施形態では、箱型容器１はポリプロピレンにより構成されているが、ポリエチレン、ＰＥＴ、ポリアミド等その他の樹脂材料により構成されることとしてもよい。   (E) In the above embodiment, the box-shaped container 1 is made of polypropylene, but may be made of other resin materials such as polyethylene, PET, and polyamide.

１…箱型容器、２…底壁部、３…周壁部、４…張り出し部、１１…第１側壁部、１２…第２側壁部、１３…第３側壁部、１４…第４側壁部、１５…支脚部、１６…支持壁部、１９…脚部収容部、２０…段差部、２１…延出部、２２…折返し部、２４…一般部、２５…凹部、２７…フランジ部、３３…第３張り出し部、３４…第４張り出し部、４１…コーナーリブ。   DESCRIPTION OF SYMBOLS 1 ... Box-shaped container, 2 ... Bottom wall part, 3 ... Perimeter wall part, 4 ... Overhang | projection part, 11 ... 1st side wall part, 12 ... 2nd side wall part, 13 ... 3rd side wall part, 14 ... 4th side wall part, DESCRIPTION OF SYMBOLS 15 ... Supporting leg part, 16 ... Support wall part, 19 ... Leg part accommodating part, 20 ... Step part, 21 ... Extension part, 22 ... Folding part, 24 ... General part, 25 ... Recessed part, 27 ... Flange part, 33 ... 3rd overhang part, 34 ... 4th overhang part, 41 ... corner rib.

Claims (7)

略長方形状の底壁部と、
前記底壁部の周縁部から上方に延出する枠状の周壁部と、
前記周壁部の上縁部全周域から当該周壁部の外周方向に向けて突出する張り出し部とを備え、
これら各壁部が型成形により一体成形されて上方に開口する箱型容器において、
前記周壁部は、前記底壁部の相対する長辺部からそれぞれ上方に延出する一対の長辺側側壁部と、前記底壁部の相対する短辺部からそれぞれ上方に延出し、前記一対の長辺側側壁部の側辺部同士を連結する一対の短辺側側壁部とを具備し、
前記張り出し部は、前記各側壁部の上縁部から前記周壁部の外周方向に向けて延出する延出部と、前記延出部の先端縁から下方に向けて延出する折返し部とを備え、
前記箱型容器を同じ向きで上下に重ねることでネスティングができる構成であって、
前記張り出し部のうち前記短辺側側壁部に対応して形成される短辺側張り出し部には、長手方向中央部において、前記張り出し部の内周側に凹となる凹部が形成されるとともに、
前記凹部の内側には、前記折返し部の上縁部又は下縁部から所定距離隔てた位置において、前記張り出し部の外周方向に延在するフランジ部が設けられていることを特徴とする箱型容器。 A substantially rectangular bottom wall,
A frame-shaped peripheral wall portion extending upward from the peripheral edge portion of the bottom wall portion;
A projecting portion projecting from the entire peripheral region of the upper edge portion of the peripheral wall portion toward the outer peripheral direction of the peripheral wall portion;
In the box-shaped container in which each of these wall portions is integrally formed by molding and opens upward,
The peripheral wall portions respectively extend upward from a pair of long side wall portions extending upward from the opposing long side portions of the bottom wall portion, and extending upward from the opposing short side portions of the bottom wall portion. A pair of short side walls connecting the side parts of the long side wall parts of
The overhanging portion includes an extending portion that extends from the upper edge portion of each side wall portion toward the outer peripheral direction of the peripheral wall portion, and a folded portion that extends downward from the leading edge of the extending portion. Prepared,
It is configured to allow nesting by stacking the box-shaped containers up and down in the same direction,
A short side overhang portion formed corresponding to the short side wall portion of the overhang portion has a concave portion formed in a concave portion on the inner peripheral side of the overhang portion in the longitudinal center portion.
A box shape characterized in that a flange portion extending in the outer peripheral direction of the overhanging portion is provided inside the concave portion at a position separated from the upper edge portion or the lower edge portion of the folded portion by a predetermined distance. container. 前記フランジ部の前記張り出し部外周側の端縁は、前記張り出し部のうち前記凹部が形成された部位の両側方に位置する一般部の前記折返し部の外側面と面一、又は、前記一般部の前記折返し部の外側面よりも前記張り出し部内周側に位置していることを特徴とする請求項１に記載の箱型容器。   The edge of the flange portion on the outer peripheral side of the flange portion is flush with the outer surface of the folded portion of the general portion located on both sides of the portion where the recess is formed in the overhang portion, or the general portion. 2. The box-shaped container according to claim 1, wherein the box-shaped container is located on an inner peripheral side of the overhang portion with respect to an outer side surface of the folded portion. 前記凹部は、前記張り出し部のうち前記凹部が形成された部位の両側方に位置する一般部の前記折返し部よりも前記張り出し部内周側に前記折返し部を設けることで形成されるとともに、前記フランジ部は前記折返し部の下縁部から前記張り出し部外周側に延出する構成であって、
前記凹部の前記折返し部の延出長は、前記一般部の前記折返し部の延出長よりも長く構成され、前記フランジ部は前記一般部の折返し部と連結されていることを特徴とする請求項１又は２に記載の箱型容器。 The concave portion is formed by providing the folded portion on the inner peripheral side of the overhang portion with respect to the folded portion of the general portion located on both sides of the portion where the concave portion is formed in the overhang portion, and the flange. The portion is configured to extend from the lower edge portion of the folded portion to the outer peripheral side of the overhang portion,
The extension length of the folded portion of the recess is configured to be longer than the extended length of the folded portion of the general portion, and the flange portion is connected to the folded portion of the general portion. Item 3. A box-shaped container according to item 1 or 2. 前記長辺側側壁部は、鉛直方向に対する傾斜角度が前記短辺側側壁部と同じ第１傾斜部と、前記第１傾斜部よりも前記周壁部の外周側に大きく傾斜した第２傾斜部とを備えていることを特徴とする請求項１乃至３のいずれかに記載の箱型容器。   The long side wall portion includes a first inclined portion having an inclination angle with respect to a vertical direction that is the same as that of the short side wall portion, and a second inclined portion that is largely inclined to the outer peripheral side of the peripheral wall portion rather than the first inclined portion. The box-type container according to any one of claims 1 to 3, wherein the box-shaped container is provided. 前記長辺側側壁部は、前記第１傾斜部を成形するための第１成形部と、前記第２傾斜部を成形するための第２成形部とで、鉛直方向における傾斜角度が異なる金型装置を用いて形成されることを特徴とする請求項４に記載の箱型容器。   The long side wall portion is a mold having different inclination angles in the vertical direction between a first forming portion for forming the first inclined portion and a second forming portion for forming the second inclined portion. The box-shaped container according to claim 4, which is formed using an apparatus. 前記長辺側側壁部のうち、前記短辺側側壁部と連接する幅方向両側部近傍部位は前記第１傾斜部として構成され、幅方向中央部は前記第２傾斜部として構成されていることを特徴とする請求項４又は５に記載の箱型容器。   Among the long side wall portions, the vicinity of both sides in the width direction connected to the short side wall portions is configured as the first inclined portion, and the central portion in the width direction is configured as the second inclined portion. The box-shaped container according to claim 4 or 5, wherein 前記箱型容器を交互に１８０度回転させて上下に重ねることでスタッキングができる構成であって、
スタッキングした際に上側の箱型容器を支持する支持壁部と、
スタッキングした際に下側の箱型容器の前記支持壁部に支持される支脚部と、
前記支脚部が中空状に形成されることで構成され、ネスティングした際に上側の箱型容器の前記支脚部を収容可能な脚部収容部とを備え、
前記支脚部の外側面には段差部が設けられ、前記支脚部のうち前記段差部よりも下側の部位は上側の部位よりも細くなっていることを特徴とする請求項１乃至６のいずれかに記載の箱型容器。 The box-shaped container is configured to be stacked by alternately rotating 180 degrees and stacking up and down,
A support wall for supporting the upper box container when stacking;
A support leg portion supported by the support wall portion of the lower box-shaped container when stacking;
The support leg portion is configured to be formed in a hollow shape, and includes a leg portion accommodating portion that can accommodate the support leg portion of the upper box-shaped container when nesting is performed,
7. A step portion is provided on an outer surface of the support leg portion, and a portion of the support leg portion that is lower than the step portion is thinner than an upper portion. Box-shaped container according to crab.
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WO2018139940A1 (en) * 2017-01-27 2018-08-02 Bewi Produkter As Transport container and container attachment means
JP2018131239A (en) * 2017-02-16 2018-08-23 三甲株式会社 tray
KR101906649B1 (en) * 2012-03-15 2018-10-10 니키 세빔 Self-heating container for pre-cooked food

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KR101906649B1 (en) * 2012-03-15 2018-10-10 니키 세빔 Self-heating container for pre-cooked food
WO2018139940A1 (en) * 2017-01-27 2018-08-02 Bewi Produkter As Transport container and container attachment means
JP2018131239A (en) * 2017-02-16 2018-08-23 三甲株式会社 tray

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